def get_periodic_tasks_info():
from celery import current_app
schedule = Service(current_app).get_scheduler().get_schedule()
tasks = []
for key, entry in schedule.items():
# entry.is_due() returns (is_due, time_in_seconds_for_next_execution)
is_due_tpl = entry.is_due()
next_execution = timezone.now() + datetime.timedelta(
seconds=is_due_tpl[1])
# remove delay between the timezone.now and the schedule entry due date
next_execution = next_execution.replace(microsecond=0)
tasks.append({
'name':
key,
'task':
entry.task,
'args':
'(' + ', '.join([json.dumps(arg) for arg in entry.args]) + ')',
'kwargs':
json.dumps(entry.kwargs),
'is_due':
is_due_tpl[0],
'next_execution':
next_execution
})
return tasks
from datetime import datetime, timedelta
from celery.beat import Service
from tardis.celery import tardis_app
schedule = Service(tardis_app).get_scheduler().get_schedule()
now = datetime.utcnow()
for task_name, task in schedule.items():
next_run = task.last_run_at.replace(tzinfo=None) + task.schedule.run_every
print("{}: check if {} is less than {}".format(task_name, now, next_run))
assert now < next_run